From: Richard Stallman <rms@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Missing `with' macro?
Date: Wed, 09 Aug 2006 00:58:18 -0400 [thread overview]
Message-ID: <E1GAg94-0003Tg-F5@fencepost.gnu.org> (raw)
In-Reply-To: <49220.128.165.123.18.1155061950.squirrel@webmail.lanl.gov> (herring@lanl.gov)
> Yes, I think so. If it is unlikely that users will edit the file by
> hand, that means there is unlikely to be a buffer to reuse. But IF
> there is a buffer to reuse, it means the user edited the file by hand.
> When he does so, you should not save his changes without his ok!
It means the user -visited- the file explicitly. He may or may not have
been interested in changing it by hand. I don't know, however, if this
distinction is important.
If he didn't decide to change it by hand, then either (1) the buffer
is unmodified, or (2) he changed it unwittingly.
Aha -- perhaps there's a good "compromise" here. What if REUSE is treated
as nil if the extant buffer is modified and WRITE is non-nil?
It would work, but getting rid of the REUSE argument is much better
because it makes this macro simpler to use.
Should I add a note that the user's buffer can become outdated as a result
of failed or unattempted reuse of it?
No need. There are lots of ways a file could be changed on disk while
it is visited in an Emacs buffer; there is no particular reason to
distinguish this way from all the rest.
next prev parent reply other threads:[~2006-08-09 4:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-24 10:17 Missing `with' macro? Mathias Dahl
2006-07-24 13:46 ` Stefan Monnier
2006-07-24 14:33 ` Mathias Dahl
2006-07-24 18:22 ` Richard Stallman
2006-07-24 20:55 ` Jorgen Schaefer
2006-07-25 3:09 ` Richard Stallman
2006-07-28 2:14 ` Stuart D. Herring
2006-07-28 2:23 ` Stuart D. Herring
2006-07-29 15:18 ` Richard Stallman
2006-08-01 1:06 ` Stuart D. Herring
2006-08-07 5:01 ` Richard Stallman
2006-08-07 21:38 ` Stuart D. Herring
2006-08-08 18:01 ` Richard Stallman
2006-08-08 18:32 ` Stuart D. Herring
2006-08-09 4:58 ` Richard Stallman [this message]
2006-08-08 18:01 ` Richard Stallman
2006-08-16 19:59 ` Stuart D. Herring
2006-08-17 15:18 ` Richard Stallman
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